National Semiconductor · Electronic Components
MM5280N
4096-Bit Dynamic RAM
Part NumberMM5280N
ManufacturerNational Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-140-7381 (NSN)
Federal Item NameMICROCIRCUIT,MEMORY
Operating Temp Range+0.0 TO 70.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating25.0 VOLTS MAXIMUM POWER SOURCE
Max Power Dissipation1.25 WATTS
Output Logic FormN-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
Terminals22 PRINTED CIRCUIT
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialPLASTIC
Terminal Surface TreatmentSOLDER
Features Provided3-STATE OUTPUT AND HIGH PERFORMANCE AND DYNAMIC
Federal Supply Class5962 — Microcircuits, Electronic
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is MM5280N available?
We can source MM5280N even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is MM5280N by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM5280N has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like MM5280N?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for MM5280N?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.